BMW X3 Service & Repair Manual > Engine wiring loom: Replacing wiring harness section for ignition and injectors (N55)
IMPORTANT:
Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DAMAGE
(ESD PROTECTION) .
Necessary preliminary work:
Read out the fault memory of the DME control unit.
Switch off ignition.
Disconnect BATTERY EARTH LEAD .
Remove IGNITION COIL COVER.
Remove CLEAN AIR P ...